[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.1016/j.ijnaoe.2016.02.004

Time domain simulation for icebreaking and turning capability of bow-first icebreaking models in level ice

Ko, Donghyeong (Hyundai Heavy Industries Co, Ltd.)
Park, Kyung-Duk (Hyundai Heavy Industries Co, Ltd.)
Ahn, Kyoungsoo (Hyundai Heavy Industries Co, Ltd.)

Publication Information

International Journal of Naval Architecture and Ocean Engineering / v.8, no.3, 2016 , pp. 228-234 More about this Journal

Abstract

Recent icebreaking ships need to be designed to enhance not only icebreaking capability but also turning ability. For the evaluation of ice resistance induced by an icebreaking hull form, HHI (Hyundai Heavy Industries) has developed the hybrid empirical formulas (Park et al., 2015) by considering the geometrical hull shape features, such as waterline and underwater sections. However, the empirical formulas have inherent limits to the precise estimation of the icebreaking and turning ability because the breaking process and the resulting pattern are ignored. For this reason, numerical calculation in time domain is performed to predict the icebreaking process and pattern. In the simulation, varying crushing stress according to velocity vectors and contact areas between hull and ice is newly introduced. Moreover, the simulation results were verified by comparing them with the model test results for three different bow-first icebreaking models.

Keywords

Ice resistance; Icebreaking and turning capability; Empirical formulas; Level ice;

Citations & Related Records

Times Cited By KSCI : 2 (Citation Analysis)

Reference
Cited By KSCI

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